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Finding the Fourth Proportional to 662,786.98, 914,741.44 and 479,620.26

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Solution

The fourth proportional to 662,786.98, 914,741.44 and 479,620.26 is: 661,945.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,786.98 : 914,741.44 = 479,620.26 : x
  2. Step 2: Convert to fraction form
    662,786.98/914,741.44 = 479,620.26/x
  3. Step 3: Cross multiply
    662,786.98x = 914,741.44 × 479,620.26
  4. Step 4: Simplify right side
    662,786.98x = 438,728,526,086.52
  5. Step 5: Solve for x
    x = 438,728,526,086.52/662,786.98
  6. Step 6: Final answer
    x = 661,945.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.